diff --git a/demo/client_side_rendering/src/App.vue b/demo/client_side_rendering/src/App.vue
index 88e15a3..32c2c5c 100644
--- a/demo/client_side_rendering/src/App.vue
+++ b/demo/client_side_rendering/src/App.vue
@@ -58,27 +58,18 @@
     </button>
     <button class="blue"
             @click="$modal.show('size-modal')">
-      Demo: Size = 60%
+      Demo: Width: 60%, Height: auto
     </button>
-    <!--
-    <button class="green"
-            @click="$modal.show('input-focus-modal')">
-      Demo: Focus Input
-    </button>
-    -->
     <button :class="canBeShown ? 'green' : 'red'"
             @click="conditionalShow">
       Can <b v-if="!canBeShown">NOT</b> be shown
     </button>
   </div>
-
-  <props-table />
 </div>
 </template>
 
 <script>
 import ModesTable           from './components/ModesTable.vue'
-import PropsTable           from './components/PropsTable.vue'
 import DemoErrorModal       from './components/DemoErrorModal.vue'
 import DemoFocusModal       from './components/InputFocusModal.vue'
 import DemoLoginModal       from './components/DemoLoginModal.vue'
@@ -90,7 +81,6 @@ export default {
   name: 'app',
   components: {
     ModesTable,
-    PropsTable,
     DemoErrorModal,
     DemoFocusModal,
     DemoLoginModal,
diff --git a/demo/client_side_rendering/src/components/SizeModal.vue b/demo/client_side_rendering/src/components/SizeModal.vue
index 63a4579..4a6327c 100644
--- a/demo/client_side_rendering/src/components/SizeModal.vue
+++ b/demo/client_side_rendering/src/components/SizeModal.vue
@@ -1,15 +1,52 @@
 <template> 
   <modal name="size-modal"
-         transition="nice-modal-fade"
-         :min-width="200"
-         :min-height="200" 
-         :adaptive="true"
-         width="60%"
-         height="60%">
-    <div style="height: 100%; box-sizing: border-box; padding: 10px; font-size: 13px; overflow: auto">
-    Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla dictum purus egestas libero ornare venenatis. Maecenas pharetra tortor eu tortor imperdiet, a faucibus quam finibus. Nulla id lacinia quam. Praesent imperdiet sed magna non finibus. Aenean blandit, mauris vitae lacinia rutrum, nunc mi scelerisque sem, in laoreet sem lectus ut orci. Ut egestas nulla in vehicula feugiat. Vivamus tincidunt nisi vel risus dictum suscipit. Nulla id blandit mi, vulputate aliquam enim.
-
-    Praesent sodales diam a tellus imperdiet condimentum. Mauris malesuada libero elit, sed tincidunt velit consectetur sit amet. Praesent consequat lobortis pellentesque. Donec pellentesque eros sit amet arcu bibendum, vel pharetra purus sodales. Morbi aliquam ac augue eu aliquam. Cras id justo sit amet tortor luctus lobortis. Vestibulum risus urna, cursus vitae feugiat non, tincidunt non massa.
+        transition="nice-modal-fade"
+        :min-width="200"
+        :min-height="200" 
+        :pivot-y="0.25"
+        :adaptive="true"
+        :draggable="true"
+        :scrollable="true"
+        :reset="true"
+        width="60%"
+        height="auto"
+        @before-open="beforeOpen"
+        @before-close="beforeClose">
+  <div class="size-modal-content">
+    <div>A new paragraph will be added every 5 sec to show how <b>height</b> scales.</div>
+    <div v-for="(p, i) in paragraphs" :key="i">
+      Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla dictum purus egestas libero ornare venenatis. Maecenas pharetra tortor eu tortor imperdiet, a faucibus quam finibus. Nulla id lacinia quam. Praesent imperdiet sed magna non finibus. Aenean blandit, mauris vitae lacinia rutrum, nunc mi scelerisque sem, in laoreet sem lectus ut orci. Ut egestas nulla in vehicula feugiat. Vivamus tincidunt nisi vel risus dictum suscipit. Nulla id blandit mi, vulputate aliquam enim.
     </div>
-  </modal>
-</template>
\ No newline at end of file
+  </div>
+</modal>
+</template>
+<script>
+  export default {
+    name: 'SizeModalTest',
+    data () {
+      return {
+        paragraphs: [true],
+        timer: null
+      }
+    },
+    methods: {
+      beforeOpen () {
+        this.timer = setInterval(() => {
+          this.paragraphs.push(true)
+        }, 5000)
+      },
+
+      beforeClose () {
+        clearInterval(this.timer)
+        this.timer = null
+        this.paragraphs = []
+      }
+    }
+  }
+</script>
+<style>
+  .size-modal-content {
+    padding: 10px;
+    font-style: 13px;
+  }
+</style>
\ No newline at end of file
diff --git a/dist/index.js b/dist/index.js
index 8b35690..66f6e77 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -566,6 +566,10 @@ exports.default = {
       type: [Boolean, String],
       default: false
     },
+    scrollable: {
+      type: Boolean,
+      default: false
+    },
     reset: {
       type: Boolean,
       default: false
@@ -612,6 +616,10 @@ exports.default = {
       default: 300,
       validator: function validator(value) {
         if (typeof value === 'string') {
+          if (value === 'auto') {
+            return true;
+          }
+
           var height = (0, _parser2.default)(value);
           return (height.type === '%' || height.type === 'px') && height.value > 0;
         }
@@ -672,7 +680,6 @@ exports.default = {
       if (value) {
         this.visibility.overlay = true;
 
-
         setTimeout(function () {
           _this.visibility.modal = true;
           _this.$nextTick(function () {
@@ -709,44 +716,74 @@ exports.default = {
 
     window.addEventListener('resize', this.onWindowResize);
     this.onWindowResize();
+
+    if (this.scrollable && !this.isAutoHeight) {
+      console.warn('Modal "' + this.name + '" has scrollable flag set to true ' + ('but height is not "auto" (' + this.height + ')'));
+    }
   },
   beforeDestroy: function beforeDestroy() {
     window.removeEventListener('resize', this.onWindowResize);
   },
 
   computed: {
+    isAutoHeight: function isAutoHeight() {
+      return this.modal.heightType === 'auto';
+    },
     position: function position() {
       var window = this.window,
           modal = this.modal,
-          shift = this.shift;
+          shift = this.shift,
+          pivotX = this.pivotX,
+          pivotY = this.pivotY,
+          trueModalWidth = this.trueModalWidth,
+          trueModalHeight = this.trueModalHeight,
+          isAutoHeight = this.isAutoHeight;
 
 
-      var maxLeft = window.width - this.trueModalWidth;
-      var maxTop = window.height - this.trueModalHeight;
+      var maxLeft = window.width - trueModalWidth;
+      var maxTop = window.height - trueModalHeight;
 
-      var left = shift.left + this.pivotX * (window.width - this.trueModalWidth);
-      var top = shift.top + this.pivotY * (window.height - this.trueModalHeight);
+      var minTop = this.scrollable ? Number.NEGATIVE_INFINITY : 0;
+
+      var left = shift.left + pivotX * maxLeft;
+      var top = shift.top + pivotY * maxTop;
 
       return {
         left: (0, _util.inRange)(0, maxLeft, left),
-        top: (0, _util.inRange)(0, maxTop, top)
+        top: (0, _util.inRange)(minTop, maxTop, top)
       };
     },
     trueModalWidth: function trueModalWidth() {
       var window = this.window,
-          modal = this.modal;
+          modal = this.modal,
+          adaptive = this.adaptive,
+          minWidth = this.minWidth;
+
 
       var value = modal.widthType === '%' ? window.width / 100 * modal.width : modal.width;
 
-      return this.adaptive ? (0, _util.inRange)(this.minWidth, this.window.width, value) : value;
+      return adaptive ? (0, _util.inRange)(minWidth, window.width, value) : value;
     },
     trueModalHeight: function trueModalHeight() {
       var window = this.window,
-          modal = this.modal;
+          modal = this.modal,
+          isAutoHeight = this.isAutoHeight,
+          adaptive = this.adaptive;
+
 
       var value = modal.heightType === '%' ? window.height / 100 * modal.height : modal.height;
 
-      return this.adaptive ? (0, _util.inRange)(this.minHeight, this.window.height, value) : value;
+      if (isAutoHeight) {
+        return 0;
+      }
+
+      return adaptive ? (0, _util.inRange)(this.minHeight, this.window.height, value) : value;
+    },
+    overlayClass: function overlayClass() {
+      return {
+        'v--modal-overlay': true,
+        'scrollable': this.scrollable && this.isAutoHeight
+      };
     },
     modalClass: function modalClass() {
       return ['v--modal-box', this.classes];
@@ -756,7 +793,7 @@ exports.default = {
         top: this.position.top + 'px',
         left: this.position.left + 'px',
         width: this.trueModalWidth + 'px',
-        height: this.trueModalHeight + 'px'
+        height: this.isAutoHeight ? 'auto' : this.trueModalHeight + 'px'
       };
     }
   },
@@ -1034,6 +1071,13 @@ var types = [{
 }];
 
 var getType = function getType(value) {
+  if (value === 'auto') {
+    return {
+      type: value,
+      value: 0
+    };
+  }
+
   for (var i = 0; i < types.length; i++) {
     var type = types[i];
     if (type.regexp.test(value)) {
@@ -1072,7 +1116,7 @@ exports = module.exports = __webpack_require__(2)();
 
 
 // module
-exports.push([module.i, "\n.v--modal-overlay {\n  position: fixed;\n  left: 0;\n  top: 0;\n  width: 100vw;\n  height: 100vh;\n  background: rgba(0, 0, 0, 0.2);\n  z-index: 999;\n  opacity: 1;\n}\n.v--modal-overlay .v--modal-box {\n  position: relative;\n  overflow: hidden;\n  box-sizing: border-box;\n}\n.v--modal {\n  background-color: white;\n  text-align: left;\n  border-radius: 3px;\n  box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n  padding: 0;\n}\n.v--modal.v--modal-fullscreen {\n  width: 100vw;\n  height: 100vh;\n  margin: 0;\n  left: 0;\n  top: 0;\n}\n.v--modal-top-right {\n  display: block;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n.overlay-fade-enter-active, .overlay-fade-leave-active {\n  transition: all 0.2s;\n}\n.overlay-fade-enter, .overlay-fade-leave-active {\n  opacity: 0;\n}\n.nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n  transition: all 0.4s;\n}\n.nice-modal-fade-enter, .nice-modal-fade-leave-active {\n  opacity: 0;\n  transform: translateY(-20px);\n}\n", "", {"version":3,"sources":["/./src/Modal.vue?17bbad80"],"names":[],"mappings":";AAwaA;EACA,gBAAA;EACA,QAAA;EACA,OAAA;EACA,aAAA;EACA,cAAA;EACA,+BAAA;EACA,aAAA;EACA,WAAA;CACA;AAEA;EACA,mBAAA;EACA,iBAAA;EACA,uBAAA;CACA;AAEA;EACA,wBAAA;EACA,iBAAA;EACA,mBAAA;EACA,kDAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,cAAA;EACA,UAAA;EACA,QAAA;EACA,OAAA;CACA;AAEA;EACA,eAAA;EACA,mBAAA;EACA,SAAA;EACA,OAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;EACA,6BAAA;CACA","file":"Modal.vue","sourcesContent":["<template>\n  <transition name=\"overlay-fade\">\n    <div v-if=\"visibility.overlay\"\n         ref=\"overlay\"\n         class=\"v--modal-overlay\"\n         :aria-expanded=\"visible.toString()\"\n         :data-modal=\"name\"\n         @mousedown.stop=\"onBackgroundClick\">\n      <div class=\"v--modal-top-right\">\n        <slot name=\"top-right\"/>\n      </div>\n      <transition :name=\"transition\">\n        <div v-if=\"visibility.modal\"\n             ref=\"modal\"\n             :class=\"modalClass\"\n             :style=\"modalStyle\"\n             @mousedown.stop>\n          <slot/>\n          <resizer v-if=\"resizable\"\n                   :min-width=\"minWidth\"\n                   :min-height=\"minHeight\"\n                   @resize=\"onModalResize\"/>\n        </div>\n      </transition>\n    </div>\n  </transition>\n</template>\n<script>\n  import Vue         from 'vue'\n  import Modal       from './index'\n  import Resizer     from './Resizer.vue'\n  import { inRange } from './util'\n  import parseNumber from './parser'\n\n  export default {\n    name: 'VueJsModal',\n    props: {\n      name: {\n        required: true,\n        type: String\n      },\n      delay: {\n        type: Number,\n        default: 0,\n      },\n      resizable: {\n        type: Boolean,\n        default: false\n      },\n      adaptive: {\n        type: Boolean,\n        default: false\n      },\n      draggable: {\n        type: [Boolean, String],\n        default: false\n      },\n      reset: {\n        type: Boolean,\n        default: false\n      },\n      transition: {\n        type: String\n      },\n      clickToClose: {\n        type: Boolean,\n        default: true\n      },\n      classes: {\n        type: [String, Array],\n        default: 'v--modal',\n      },\n      minWidth: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      minHeight: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      width: {\n        type: [Number, String],\n        default: 600,\n        validator (value) {\n          if (typeof value === 'string') {\n            let width = parseNumber(value)\n            return (width.type === '%' || width.type === 'px')\n              && width.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      height: {\n        type: [Number, String],\n        default: 300,\n        validator (value) {\n          if (typeof value === 'string') {\n            let height = parseNumber(value)\n            return (height.type === '%' || height.type === 'px')\n              && height.value > 0\n          }\n          \n          return value >= 0\n        }\n      },\n      pivotX: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      },\n      pivotY: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      }\n    },\n    components: {\n      Resizer\n    },\n    data () {\n      return {\n        visible: false,\n\n        visibility: {\n          modal: false,\n          overlay: false\n        },\n\n        shift: {\n          left: 0,\n          top: 0\n        },\n\n        modal: {\n          width: 0,\n          widthType: 'px',\n          height: 0,\n          heightType: 'px'\n        },\n\n        window: {\n          width: 0,\n          height: 0\n        }\n      }\n    },\n    watch: {\n      visible (value) {\n        if (value) {\n          this.visibility.overlay = true\n        //  this.adaptSize()\n\n          setTimeout(() => {\n            this.visibility.modal = true\n            this.$nextTick(() => {\n              this.addDraggableListeners()\n            })\n          }, this.delay)\n        } else {\n          this.visibility.modal = false\n\n          setTimeout(() => {\n            this.visibility.overlay = false\n            this.$nextTick(() => {\n              this.removeDraggableListeners()\n            })\n          }, this.delay)\n        }\n      }\n    },\n    created () {\n      this.setInitialSize()\n    },\n    beforeMount () {\n      Modal.event.$on('toggle', (name, state, params) => {\n        if (name === this.name) {\n          if (typeof state === 'undefined') {\n            state = !this.visible\n          }\n\n          this.toggle(state, params)\n        }\n      });\n\n      window.addEventListener('resize', this.onWindowResize)\n      this.onWindowResize()\n    },\n    beforeDestroy () {\n      window.removeEventListener('resize', this.onWindowResize)\n    },\n    computed: {\n      position () {\n        const { window, modal, shift } = this\n\n        const maxLeft = window.width - this.trueModalWidth\n        const maxTop = window.height - this.trueModalHeight\n\n        const left = shift.left + \n          this.pivotX * (window.width - this.trueModalWidth)\n        const top = shift.top + \n          this.pivotY * (window.height - this.trueModalHeight)\n\n        return {\n          left: inRange(0, maxLeft, left),\n          top: inRange(0, maxTop, top)\n        }\n      },\n\n      trueModalWidth () {\n        const { window, modal } = this\n        const value = modal.widthType === '%'\n          ? window.width / 100 * modal.width\n          : modal.width\n\n        return this.adaptive\n          ? inRange(this.minWidth, this.window.width, value)\n          : value\n      },\n\n      trueModalHeight () {\n        const { window, modal } = this\n        const value = (modal.heightType === '%') \n          ? window.height / 100 * modal.height \n          : modal.height\n\n        return this.adaptive\n          ? inRange(this.minHeight, this.window.height, value)\n          : value\n      },\n\n      modalClass () {\n        return ['v--modal-box', this.classes]\n      },\n\n      modalStyle () {\n        return {\n          top: this.position.top + 'px',\n          left: this.position.left + 'px',\n          width: this.trueModalWidth + 'px',\n          height: this.trueModalHeight + 'px'\n        }\n      }\n    },\n    methods: {\n      setInitialSize () {\n        let { modal } = this\n        let width = parseNumber(this.width)\n        let height = parseNumber(this.height)\n\n        modal.width = width.value\n        modal.widthType = width.type\n        modal.height = height.value\n        modal.heightType = height.type\n      },\n\n      onWindowResize () {\n        this.window.width = window.innerWidth\n        this.window.height = window.innerHeight\n      },\n\n      genEventObject (params) {\n        //todo: clean this up (change to ...)\n        var data = {\n          name: this.name,\n          timestamp: Date.now(),\n          canceled: false,\n          ref: this.$refs.modal,\n          stop: function() {\n            this.canceled = true\n          }\n        }\n\n        return Vue.util.extend(data, params || {});\n      },\n\n      onModalResize (event) {\n        this.modal.widthType = 'px'\n        this.modal.width = event.size.width\n\n        this.modal.heightType = 'px'\n        this.modal.height = event.size.height\n\n        const { size } = this.modal\n        const resizeEvent = this.genEventObject({ size });\n\n        this.$emit('resize', resizeEvent)\n      },\n\n      toggle (state, params) {\n        const { reset, visible } = this\n\n        const beforeEventName = visible \n          ? 'before-close' \n          : 'before-open'\n          \n        const afterEventName = visible \n          ? 'closed' \n          : 'opened'\n\n        if (beforeEventName === 'before-open' && reset) {\n          this.setInitialSize()\n          this.shift.left = 0\n          this.shift.top = 0\n        }\n\n        let stopEventExecution = false\n\n        const stop = () => {\n          stopEventExecution = true\n        }\n        const beforeEvent = this.genEventObject({ stop, state, params })\n\n        this.$emit(beforeEventName, beforeEvent)\n\n        if (!stopEventExecution) {\n          const afterEvent = this.genEventObject({ state, params })\n\n          this.visible = state\n          this.$emit(afterEventName, afterEvent)\n        }\n      },\n\n      emitCancelableEvent (data) {\n        let stopEventExecution = false\n        let stop = () => { stopEventExecution = true }\n        let event = this.genEventObject(data)\n      },\n\n      getDraggableElement () {\n        var selector = typeof this.draggable !== 'string'\n          ? '.v--modal-box'\n          : this.draggable\n\n        if (selector) {\n          var handler = this.$refs.overlay.querySelector(selector)\n          if (handler) {\n            return handler\n          }\n        }\n      },\n\n      onBackgroundClick () {\n        if (this.clickToClose) {\n          this.toggle(false)\n        }\n      },\n\n      addDraggableListeners () {\n        if (!this.draggable) {\n          return;\n        }\n\n        let dragger = this.getDraggableElement()\n\n        if (dragger) {\n          let startX = 0\n          let startY = 0\n          let cachedShiftX = 0\n          let cachedShiftY = 0\n\n          let getPosition = (event) => {\n              return event.touches && event.touches.length > 0\n                ? event.touches[0]\n                : event\n          }\n\n          let mousedown = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            document.addEventListener('mousemove', mousemove)\n            document.addEventListener('mouseup', mouseup)\n\n            document.addEventListener('touchmove', mousemove)\n            document.addEventListener('touchend', mouseup)\n\n            startX = clientX\n            startY = clientY\n            cachedShiftX = this.shift.left\n            cachedShiftY = this.shift.top\n\n            event.preventDefault()\n          }\n\n          let mousemove = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            this.shift.left = cachedShiftX + clientX - startX\n            this.shift.top = cachedShiftY + clientY - startY\n            event.preventDefault()\n          }\n\n          let mouseup = (event) => {\n            document.removeEventListener('mousemove', mousemove)\n            document.removeEventListener('mouseup', mouseup)\n\n            document.removeEventListener('touchmove', mousemove)\n            document.removeEventListener('touchend', mouseup)\n\n            event.preventDefault()\n          }\n\n          dragger.addEventListener('mousedown', mousedown)\n          dragger.addEventListener('touchstart', mousedown)\n        }\n      },\n\n      removeDraggableListeners () {\n      //  console.log('removing draggable handlers')\n      }\n    }\n  };\n</script>\n<style>\n  .v--modal-overlay {\n    position: fixed;\n    left: 0;\n    top: 0;\n    width: 100vw;\n    height: 100vh;\n    background: rgba(0, 0, 0, 0.2);\n    z-index: 999;\n    opacity: 1;\n  }\n\n  .v--modal-overlay .v--modal-box {\n    position: relative;\n    overflow: hidden;\n    box-sizing: border-box;\n  }\n\n  .v--modal {\n    background-color: white;\n    text-align: left;\n    border-radius: 3px;\n    box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n    padding: 0;\n  }\n\n  .v--modal.v--modal-fullscreen {\n    width: 100vw;\n    height: 100vh;\n    margin: 0;\n    left: 0;\n    top: 0;\n  }\n\n  .v--modal-top-right {\n    display: block;\n    position: absolute;\n    right: 0;\n    top: 0;\n  }\n\n  .overlay-fade-enter-active, .overlay-fade-leave-active {\n    transition: all 0.2s;\n  }\n\n  .overlay-fade-enter, .overlay-fade-leave-active {\n    opacity: 0;\n  }\n\n  .nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n    transition: all 0.4s;\n  }\n\n  .nice-modal-fade-enter, .nice-modal-fade-leave-active {\n    opacity: 0;\n    transform: translateY(-20px);\n  }\n</style>\n"],"sourceRoot":"webpack://"}]);
+exports.push([module.i, "\n.v--modal-overlay {\n  position: fixed;\n  box-sizing: border-box;\n  left: 0;\n  top: 0;\n  width: 100vw;\n  height: 100vh;\n  background: rgba(0, 0, 0, 0.2);\n  z-index: 999;\n  opacity: 1;\n}\n.v--modal-overlay.scrollable {\n  height: 100%;\n  min-height: 100vh;\n  overflow-y: auto;\n  padding-bottom: 10px;\n}\n.v--modal-overlay .v--modal-box {\n  position: relative;\n  overflow: hidden;\n  box-sizing: border-box;\n}\n.v--modal-overlay.scrollable .v--modal-box {\n  margin-bottom: 10px;\n}\n.v--modal {\n  background-color: white;\n  text-align: left;\n  border-radius: 3px;\n  box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n  padding: 0;\n}\n.v--modal.v--modal-fullscreen {\n  width: 100vw;\n  height: 100vh;\n  margin: 0;\n  left: 0;\n  top: 0;\n}\n.v--modal-top-right {\n  display: block;\n  position: absolute;\n  right: 0;\n  top: 0;\n}\n.overlay-fade-enter-active, .overlay-fade-leave-active {\n  transition: all 0.2s;\n}\n.overlay-fade-enter, .overlay-fade-leave-active {\n  opacity: 0;\n}\n.nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n  transition: all 0.4s;\n}\n.nice-modal-fade-enter, .nice-modal-fade-leave-active {\n  opacity: 0;\n  transform: translateY(-20px);\n}\n", "", {"version":3,"sources":["/./src/Modal.vue?79cb8c95"],"names":[],"mappings":";AA0cA;EACA,gBAAA;EACA,uBAAA;EACA,QAAA;EACA,OAAA;EACA,aAAA;EACA,cAAA;EACA,+BAAA;EACA,aAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,kBAAA;EACA,iBAAA;EACA,qBAAA;CACA;AAEA;EACA,mBAAA;EACA,iBAAA;EACA,uBAAA;CACA;AAEA;EACA,oBAAA;CACA;AAEA;EACA,wBAAA;EACA,iBAAA;EACA,mBAAA;EACA,kDAAA;EACA,WAAA;CACA;AAEA;EACA,aAAA;EACA,cAAA;EACA,UAAA;EACA,QAAA;EACA,OAAA;CACA;AAEA;EACA,eAAA;EACA,mBAAA;EACA,SAAA;EACA,OAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;CACA;AAEA;EACA,qBAAA;CACA;AAEA;EACA,WAAA;EACA,6BAAA;CACA","file":"Modal.vue","sourcesContent":["<template>\n  <transition name=\"overlay-fade\">\n    <div v-if=\"visibility.overlay\"\n         ref=\"overlay\"\n         :class=\"overlayClass\"\n         :aria-expanded=\"visible.toString()\"\n         :data-modal=\"name\"\n         @mousedown.stop=\"onBackgroundClick\">\n      <div class=\"v--modal-top-right\">\n        <slot name=\"top-right\"/>\n      </div>\n      <transition :name=\"transition\">\n        <div v-if=\"visibility.modal\"\n             ref=\"modal\"\n             :class=\"modalClass\"\n             :style=\"modalStyle\"\n             @mousedown.stop>\n          <slot/>\n          <resizer v-if=\"resizable && !isAutoHeight\"\n                   :min-width=\"minWidth\"\n                   :min-height=\"minHeight\"\n                   @resize=\"onModalResize\"/>\n        </div>\n      </transition>\n    </div>\n  </transition>\n</template>\n<script>\n  import Vue         from 'vue'\n  import Modal       from './index'\n  import Resizer     from './Resizer.vue'\n  import { inRange } from './util'\n  import parseNumber from './parser'\n\n  export default {\n    name: 'VueJsModal',\n    props: {\n      name: {\n        required: true,\n        type: String\n      },\n      delay: {\n        type: Number,\n        default: 0,\n      },\n      resizable: {\n        type: Boolean,\n        default: false\n      },\n      adaptive: {\n        type: Boolean,\n        default: false\n      },\n      draggable: {\n        type: [Boolean, String],\n        default: false\n      },\n      scrollable: {\n        type: Boolean,\n        default: false\n      },\n      reset: {\n        type: Boolean,\n        default: false\n      },\n      transition: {\n        type: String\n      },\n      clickToClose: {\n        type: Boolean,\n        default: true\n      },\n      classes: {\n        type: [String, Array],\n        default: 'v--modal',\n      },\n      minWidth: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      minHeight: {\n        type: Number,\n        default: 0,\n        validator (value) {\n          return value >= 0\n        }\n      },\n      width: {\n        type: [Number, String],\n        default: 600,\n        validator (value) {\n          if (typeof value === 'string') {\n            let width = parseNumber(value)\n            return (width.type === '%' || width.type === 'px')\n              && width.value > 0\n          }\n\n          return value >= 0\n        }\n      },\n      height: {\n        type: [Number, String],\n        default: 300,\n        validator (value) {\n          if (typeof value === 'string') {\n            if (value === 'auto') {\n              return true\n            }\n\n            let height = parseNumber(value)\n            return (height.type === '%' || height.type === 'px')\n              && height.value > 0\n          }\n          \n          return value >= 0\n        }\n      },\n      pivotX: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      },\n      pivotY: {\n        type: Number,\n        default: 0.5,\n        validator (value) {\n          return value >= 0 && value <= 1\n        }\n      }\n    },\n    components: {\n      Resizer\n    },\n    data () {\n      return {\n        visible: false,\n\n        visibility: {\n          modal: false,\n          overlay: false\n        },\n\n        shift: {\n          left: 0,\n          top: 0\n        },\n\n        modal: {\n          width: 0,\n          widthType: 'px',\n          height: 0,\n          heightType: 'px'\n        },\n\n        window: {\n          width: 0,\n          height: 0\n        }\n      }\n    },\n    watch: {\n      visible (value) {\n        if (value) {\n          this.visibility.overlay = true\n\n          setTimeout(() => {\n            this.visibility.modal = true\n            this.$nextTick(() => {\n              this.addDraggableListeners()\n            })\n          }, this.delay)\n        } else {\n          this.visibility.modal = false\n\n          setTimeout(() => {\n            this.visibility.overlay = false\n            this.$nextTick(() => {\n              this.removeDraggableListeners()\n            })\n          }, this.delay)\n        }\n      }\n    },\n    created () {\n      this.setInitialSize()\n    },\n    beforeMount () {\n      Modal.event.$on('toggle', (name, state, params) => {\n        if (name === this.name) {\n          if (typeof state === 'undefined') {\n            state = !this.visible\n          }\n\n          this.toggle(state, params)\n        }\n      });\n\n      window.addEventListener('resize', this.onWindowResize)\n      this.onWindowResize()\n\n      if (this.scrollable && !this.isAutoHeight) {\n        console.warn(`Modal \"${this.name}\" has scrollable flag set to true ` + \n          `but height is not \"auto\" (${this.height})`)\n      }\n    },\n    beforeDestroy () {\n      window.removeEventListener('resize', this.onWindowResize)\n    },\n    computed: {\n      isAutoHeight () {\n        return this.modal.heightType === 'auto'\n      },\n\n      position () {\n        const { window, modal, shift, pivotX, pivotY,\n          trueModalWidth, trueModalHeight, isAutoHeight } = this\n\n        const maxLeft = window.width - trueModalWidth\n        const maxTop = window.height - trueModalHeight\n\n        const minTop = this.scrollable\n          ? Number.NEGATIVE_INFINITY\n          : 0\n\n        const left = shift.left + pivotX * maxLeft\n        const top = shift.top + pivotY * maxTop\n\n        return {\n          left: inRange(0, maxLeft, left),\n          top: inRange(minTop, maxTop, top)\n        }\n      },\n\n      trueModalWidth () {\n        const { window, modal, adaptive, minWidth } = this\n\n        const value = modal.widthType === '%'\n          ? window.width / 100 * modal.width\n          : modal.width\n\n        return adaptive\n          ? inRange(minWidth, window.width, value)\n          : value\n      },\n\n      trueModalHeight () {\n        const { window, modal, isAutoHeight, adaptive } = this\n\n        const value = (modal.heightType === '%') \n          ? window.height / 100 * modal.height \n          : modal.height\n\n        if (isAutoHeight) {\n          return 0\n        }\n\n        return adaptive\n          ? inRange(this.minHeight, this.window.height, value)\n          : value\n      },\n\n      overlayClass () {\n        return {\n          'v--modal-overlay': true,\n          'scrollable': this.scrollable && this.isAutoHeight\n        }\n      },\n\n      modalClass () {\n        return ['v--modal-box', this.classes]\n      },\n\n      modalStyle () {\n        return {\n          top: this.position.top + 'px',\n          left: this.position.left + 'px',\n          width: this.trueModalWidth + 'px',\n          height: this.isAutoHeight\n            ? 'auto'\n            : (this.trueModalHeight + 'px')\n        }\n      }\n    },\n    methods: {\n      setInitialSize () {\n        let { modal } = this\n        let width = parseNumber(this.width)\n        let height = parseNumber(this.height)\n\n        modal.width = width.value\n        modal.widthType = width.type\n        modal.height = height.value\n        modal.heightType = height.type\n      },\n\n      onWindowResize () {\n        this.window.width = window.innerWidth\n        this.window.height = window.innerHeight\n      },\n\n      genEventObject (params) {\n        //todo: clean this up (change to ...)\n        var data = {\n          name: this.name,\n          timestamp: Date.now(),\n          canceled: false,\n          ref: this.$refs.modal,\n          stop: function() {\n            this.canceled = true\n          }\n        }\n\n        return Vue.util.extend(data, params || {});\n      },\n\n      onModalResize (event) {\n        this.modal.widthType = 'px'\n        this.modal.width = event.size.width\n\n        this.modal.heightType = 'px'\n        this.modal.height = event.size.height\n\n        const { size } = this.modal\n        const resizeEvent = this.genEventObject({ size });\n\n        this.$emit('resize', resizeEvent)\n      },\n\n      toggle (state, params) {\n        const { reset, visible } = this\n\n        const beforeEventName = visible \n          ? 'before-close' \n          : 'before-open'\n          \n        const afterEventName = visible \n          ? 'closed' \n          : 'opened'\n\n        if (beforeEventName === 'before-open' && reset) {\n          this.setInitialSize()\n          this.shift.left = 0\n          this.shift.top = 0\n        }\n\n        let stopEventExecution = false\n\n        const stop = () => {\n          stopEventExecution = true\n        }\n        const beforeEvent = this.genEventObject({ stop, state, params })\n\n        this.$emit(beforeEventName, beforeEvent)\n\n        if (!stopEventExecution) {\n          const afterEvent = this.genEventObject({ state, params })\n\n          this.visible = state\n          this.$emit(afterEventName, afterEvent)\n        }\n      },\n\n      emitCancelableEvent (data) {\n        let stopEventExecution = false\n        let stop = () => { stopEventExecution = true }\n        let event = this.genEventObject(data)\n      },\n\n      getDraggableElement () {\n        var selector = typeof this.draggable !== 'string'\n          ? '.v--modal-box'\n          : this.draggable\n\n        if (selector) {\n          var handler = this.$refs.overlay.querySelector(selector)\n          if (handler) {\n            return handler\n          }\n        }\n      },\n\n      onBackgroundClick () {\n        if (this.clickToClose) {\n          this.toggle(false)\n        }\n      },\n\n      addDraggableListeners () {\n        if (!this.draggable) {\n          return;\n        }\n\n        let dragger = this.getDraggableElement()\n\n        if (dragger) {\n          let startX = 0\n          let startY = 0\n          let cachedShiftX = 0\n          let cachedShiftY = 0\n\n          let getPosition = (event) => {\n              return event.touches && event.touches.length > 0\n                ? event.touches[0]\n                : event\n          }\n\n          let mousedown = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            document.addEventListener('mousemove', mousemove)\n            document.addEventListener('mouseup', mouseup)\n\n            document.addEventListener('touchmove', mousemove)\n            document.addEventListener('touchend', mouseup)\n\n            startX = clientX\n            startY = clientY\n            cachedShiftX = this.shift.left\n            cachedShiftY = this.shift.top\n\n            event.preventDefault()\n          }\n\n          let mousemove = (event) => {\n            let { clientX, clientY } = getPosition(event)\n\n            this.shift.left = cachedShiftX + clientX - startX\n            this.shift.top = cachedShiftY + clientY - startY\n            event.preventDefault()\n          }\n\n          let mouseup = (event) => {\n            document.removeEventListener('mousemove', mousemove)\n            document.removeEventListener('mouseup', mouseup)\n\n            document.removeEventListener('touchmove', mousemove)\n            document.removeEventListener('touchend', mouseup)\n\n            event.preventDefault()\n          }\n\n          dragger.addEventListener('mousedown', mousedown)\n          dragger.addEventListener('touchstart', mousedown)\n        }\n      },\n\n      removeDraggableListeners () {\n      //  console.log('removing draggable handlers')\n      }\n    }\n  };\n</script>\n<style>\n  .v--modal-overlay {\n    position: fixed;\n    box-sizing: border-box;\n    left: 0;\n    top: 0;\n    width: 100vw;\n    height: 100vh;\n    background: rgba(0, 0, 0, 0.2);\n    z-index: 999;\n    opacity: 1;\n  }\n\n  .v--modal-overlay.scrollable {\n    height: 100%;\n    min-height: 100vh;\n    overflow-y: auto;\n    padding-bottom: 10px;\n  }\n\n  .v--modal-overlay .v--modal-box {\n    position: relative;\n    overflow: hidden;\n    box-sizing: border-box;\n  }\n\n  .v--modal-overlay.scrollable .v--modal-box {\n    margin-bottom: 10px;\n  }\n\n  .v--modal {\n    background-color: white;\n    text-align: left;\n    border-radius: 3px;\n    box-shadow: 0 20px 60px -2px rgba(27, 33, 58, .4);\n    padding: 0;\n  }\n\n  .v--modal.v--modal-fullscreen {\n    width: 100vw;\n    height: 100vh;\n    margin: 0;\n    left: 0;\n    top: 0;\n  }\n\n  .v--modal-top-right {\n    display: block;\n    position: absolute;\n    right: 0;\n    top: 0;\n  }\n\n  .overlay-fade-enter-active, .overlay-fade-leave-active {\n    transition: all 0.2s;\n  }\n\n  .overlay-fade-enter, .overlay-fade-leave-active {\n    opacity: 0;\n  }\n\n  .nice-modal-fade-enter-active, .nice-modal-fade-leave-active {\n    transition: all 0.4s;\n  }\n\n  .nice-modal-fade-enter, .nice-modal-fade-leave-active {\n    opacity: 0;\n    transform: translateY(-20px);\n  }\n</style>\n"],"sourceRoot":"webpack://"}]);
 
 // exports
 
@@ -1140,7 +1184,7 @@ module.exports={render:function (){var _vm=this;var _h=_vm.$createElement;var _c
     }
   }, [(_vm.visibility.overlay) ? _c('div', {
     ref: "overlay",
-    staticClass: "v--modal-overlay",
+    class: _vm.overlayClass,
     attrs: {
       "aria-expanded": _vm.visible.toString(),
       "data-modal": _vm.name
@@ -1166,7 +1210,7 @@ module.exports={render:function (){var _vm=this;var _h=_vm.$createElement;var _c
         $event.stopPropagation();
       }
     }
-  }, [_vm._t("default"), _vm._v(" "), (_vm.resizable) ? _c('resizer', {
+  }, [_vm._t("default"), _vm._v(" "), (_vm.resizable && !_vm.isAutoHeight) ? _c('resizer', {
     attrs: {
       "min-width": _vm.minWidth,
       "min-height": _vm.minHeight
diff --git a/src/Modal.vue b/src/Modal.vue
index f583092..7b84761 100644
--- a/src/Modal.vue
+++ b/src/Modal.vue
@@ -2,7 +2,7 @@
   <transition name="overlay-fade">
     <div v-if="visibility.overlay"
          ref="overlay"
-         class="v--modal-overlay"
+         :class="overlayClass"
          :aria-expanded="visible.toString()"
          :data-modal="name"
          @mousedown.stop="onBackgroundClick">
@@ -16,7 +16,7 @@
              :style="modalStyle"
              @mousedown.stop>
           <slot/>
-          <resizer v-if="resizable"
+          <resizer v-if="resizable && !isAutoHeight"
                    :min-width="minWidth"
                    :min-height="minHeight"
                    @resize="onModalResize"/>
@@ -55,6 +55,10 @@
         type: [Boolean, String],
         default: false
       },
+      scrollable: {
+        type: Boolean,
+        default: false
+      },
       reset: {
         type: Boolean,
         default: false
@@ -102,6 +106,10 @@
         default: 300,
         validator (value) {
           if (typeof value === 'string') {
+            if (value === 'auto') {
+              return true
+            }
+
             let height = parseNumber(value)
             return (height.type === '%' || height.type === 'px')
               && height.value > 0
@@ -159,7 +167,6 @@
       visible (value) {
         if (value) {
           this.visibility.overlay = true
-        //  this.adaptSize()
 
           setTimeout(() => {
             this.visibility.modal = true
@@ -195,50 +202,75 @@
 
       window.addEventListener('resize', this.onWindowResize)
       this.onWindowResize()
+
+      if (this.scrollable && !this.isAutoHeight) {
+        console.warn(`Modal "${this.name}" has scrollable flag set to true ` + 
+          `but height is not "auto" (${this.height})`)
+      }
     },
     beforeDestroy () {
       window.removeEventListener('resize', this.onWindowResize)
     },
     computed: {
+      isAutoHeight () {
+        return this.modal.heightType === 'auto'
+      },
+
       position () {
-        const { window, modal, shift } = this
+        const { window, modal, shift, pivotX, pivotY,
+          trueModalWidth, trueModalHeight, isAutoHeight } = this
 
-        const maxLeft = window.width - this.trueModalWidth
-        const maxTop = window.height - this.trueModalHeight
+        const maxLeft = window.width - trueModalWidth
+        const maxTop = window.height - trueModalHeight
 
-        const left = shift.left + 
-          this.pivotX * (window.width - this.trueModalWidth)
-        const top = shift.top + 
-          this.pivotY * (window.height - this.trueModalHeight)
+        const minTop = this.scrollable
+          ? Number.NEGATIVE_INFINITY
+          : 0
+
+        const left = shift.left + pivotX * maxLeft
+        const top = shift.top + pivotY * maxTop
 
         return {
           left: inRange(0, maxLeft, left),
-          top: inRange(0, maxTop, top)
+          top: inRange(minTop, maxTop, top)
         }
       },
 
       trueModalWidth () {
-        const { window, modal } = this
+        const { window, modal, adaptive, minWidth } = this
+
         const value = modal.widthType === '%'
           ? window.width / 100 * modal.width
           : modal.width
 
-        return this.adaptive
-          ? inRange(this.minWidth, this.window.width, value)
+        return adaptive
+          ? inRange(minWidth, window.width, value)
           : value
       },
 
       trueModalHeight () {
-        const { window, modal } = this
+        const { window, modal, isAutoHeight, adaptive } = this
+
         const value = (modal.heightType === '%') 
           ? window.height / 100 * modal.height 
           : modal.height
 
-        return this.adaptive
+        if (isAutoHeight) {
+          return 0
+        }
+
+        return adaptive
           ? inRange(this.minHeight, this.window.height, value)
           : value
       },
 
+      overlayClass () {
+        return {
+          'v--modal-overlay': true,
+          'scrollable': this.scrollable && this.isAutoHeight
+        }
+      },
+
       modalClass () {
         return ['v--modal-box', this.classes]
       },
@@ -248,7 +280,9 @@
           top: this.position.top + 'px',
           left: this.position.left + 'px',
           width: this.trueModalWidth + 'px',
-          height: this.trueModalHeight + 'px'
+          height: this.isAutoHeight
+            ? 'auto'
+            : (this.trueModalHeight + 'px')
         }
       }
     },
@@ -424,6 +458,7 @@
 <style>
   .v--modal-overlay {
     position: fixed;
+    box-sizing: border-box;
     left: 0;
     top: 0;
     width: 100vw;
@@ -433,12 +468,23 @@
     opacity: 1;
   }
 
+  .v--modal-overlay.scrollable {
+    height: 100%;
+    min-height: 100vh;
+    overflow-y: auto;
+    padding-bottom: 10px;
+  }
+
   .v--modal-overlay .v--modal-box {
     position: relative;
     overflow: hidden;
     box-sizing: border-box;
   }
 
+  .v--modal-overlay.scrollable .v--modal-box {
+    margin-bottom: 10px;
+  }
+
   .v--modal {
     background-color: white;
     text-align: left;
diff --git a/src/parser.js b/src/parser.js
index 4559402..4668855 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -3,6 +3,7 @@
 // "0.001px" => { type: "px", value: 0.001 }
 // "0.1%" => { type: "px", value: 0.1 }
 // "foo"  => { type: "", value: "foo" }
+// "auto" => { type: "auto", value: 0 }
 
 var floatRegexp = '[-+]?[0-9]*\.?[0-9]+'
 
@@ -24,6 +25,13 @@ var types = [
 ]
 
 var getType = (value) => {
+  if (value === 'auto') {
+    return {
+      type: value,
+      value: 0
+    }
+  }
+
   for (var i = 0; i < types.length; i++) {
     let type = types[i]
     if (type.regexp.test(value)) {